TY  - BOOK
AU  - Bumba, V.
TI  - Basic mechanisms of solar activity
SN  - 90-277-0680-8
PY  - 1976///
CY  - Dordrecht
PB  - D. Reidel Publishing
KW  - Active sun
KW  - Astronomy and Astrophysics Thesaurus
KW  - Solar activity
KW  - Sunspots
ER  -